- static variable gone
- replaced by pointer for each element in hierarchy. (Imagine two persistent trees, total chaos otherwise)
- raw matrix data has column wise sorting. Fix reading and writing code.
- QLineEdit now focuses start of line after setText.

implement further converters

- New Widget which contains an edittext for each matrix element
- self-contained parsing on changes for error highlighting
- moved onTreeWidgetItemDoubleClicked and onTreeWidgetItemChanged to AronTreeWidgetController.h, these GUI actions only concern the Tree widget details, not however the full scope in SkillManagerMonitorWidgetController.h
- in AronTreeWidgetCreator.h: createSimpleTreeViewWidget() now called insertNewTreeViewWidget(). It also directly adds the created widget to the parent, has control flow reasons to add it directly.
 (otherwise we cannot directly overlay custom widgets inside the AronTreeWidgetCreatorVisitor)
 -

relevant change is in AronTreeWidgetSetter.cpp, towards the end.

- finally got clang-format again. (imo made the documents worse though)
- implement callback on changed items in the gui. Attempt to convert them
to aron types. If that fails, the element gets colored red.

AronTreeWidgetItem now stores two flags, which column should be
editable. This is necessary, because the parent entry could enable
editing column 0 whilst the current elment can be edited in its value.
Only using the flag of QTreeElement is then too messy.

Also added a parent pointer to the CreatorVisitor. This provides enough
context for a centralized instantiation.

As pointed out: Newly added keys are now unique.

- list creates a child tree element per item
  - the key is a numerated index
  - context menu on the item deletes this exact item
- context menu handling now separated on which options are available and
their execution

Bugs to fix:
- Type of Dict not correct (see example "cascaded_list")
- Keys of dict not editable when in list (e.g. type
List<Dict<something>>)

next things to do:
- converters for dict, list, intenum (partially just check)
- tuple & pair
- sanity checks after checking rest of converters

- make AronTreeWidgetController QObject -> now handles context menu
actions of the contained treewidgetitems
- SkillManagerMonitorWidget makes first column editable if the parent is
a dict

... except String atm

Inside the SetterVisitor, the code now generates enough children to view
all attributes.

Still TODO:
 - adaptively erase children
 - add context menu to add & remove children
 - check that edits persist / are picked up before execution

Dict Unrelated TODOS:
 - make Leaf types editable in GUI
 - do same treatment for lists

SickLaserUnit: using cmake target instead of custom mechanism

See merge request ArmarX/RobotAPI!280

removing add_definitions: its affecting all targets. now, it's being set via the imported target sick_scan_base::sick_scan_generic

Fix ukfm static dimension

See merge request ArmarX/RobotAPI!279

# Conflicts:
#	source/RobotAPI/libraries/armem_gui/MemoryViewer.cpp

fixed ltm enable via GUI (marshalling exception on release builds) and commented out locks from memory viewer

added mutexes to memory viewer to avoid data races. Removed data race of removed address in asynch method

UseRobotAPI: adding OpenCV to prevent linker errors in subsequent packages

See merge request ArmarX/RobotAPI!275

Feature/kinematic unit gui simplification

See merge request ArmarX/RobotAPI!274